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Table 3 Sensitivity and specificity of symptoms and signs in predicting urinary tract abnormality on ultrasound.

From: A comparison of urinary tract pathology and morbidity in adult populations from endemic and non-endemic zones for urinary schistosomiasis on Unguja Island, Zanzibar

  Sensitivity 95%CI
(%)
Specificity 95%CI
(%)
Pain on micturating 64 44 -- 81 81 76 -- 86
Urgency 68 48 -- 84 82 77 -- 87
Self perceived frothy urine 29 13 -- 49 89 84 -- 92
Self perceived haematuria 46 28 -- 66 86 81 -- 91
Self reported schistosomiasis in past year 71 51 -- 87 77 71 -- 82
Detected haematuria 26 11 -- 46 97 94 -- 99
Detected eggs in urine 39 22 -- 59 98 95 -- 99
One or more of self-reported schistosomiasis in past year, urgency and eggs in urine 93 76-99 64 58 -- 71
Two or more of self-reported schistosomiasis in past year, urgency and eggs in urine 70 50 -- 86 92 88 -- 96
All three of self-reported schistosomiasis in past year, urgency and eggs in urine 22 9 -- 42 100 98 -- 100